diff --git a/.gitignore b/.gitignore
index 0fb89cd896..ec975e873c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,4 +27,5 @@ nuget.exe
 project.lock.json
 .vs
 .build/
-.testPublish/
\ No newline at end of file
+.testPublish/
+global.json
diff --git a/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj b/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj
index 594a211f7d..22ff45b49a 100644
--- a/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj
+++ b/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj
@@ -4,7 +4,7 @@
 
   <PropertyGroup>
     <IncludeBuildOutput>false</IncludeBuildOutput>
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <PackageTags>aspnetcore</PackageTags>
     <Description>Microsoft.AspNetCore</Description>
   </PropertyGroup>